Use of Activated Charcoal to Enhance Constructed Wetland Performance in Wastewater Treatment

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2025-10-06 DOI:10.1007/s11270-025-08438-5

K. Belhadj, L. Mimeche, L. Hecini, A. Belhadj, B. E. Rahmani, S. Ziad

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引用次数: 0

Abstract

Constructed wetlands offer a sustainable wastewater treatment solution with proven, effective technology. Activated charcoal, derived from organic material through pyrolysis, offers simple and low cost techniques to treat water and reduce carbon footprint. Combining both of these technologies can greatly augment the efficiency of the system. This study investigates the enhancement of constructed wetlands by combining sand with activated carbon to improve pollutant removal efficiency. Vertical wetland beds were prepared using sand mixed with activated charcoal and cultivated with Phragmites australis species. Synthetic wastewater was passed through these beds achieving a retention time of three days. Pollutant removal performance was compared between the controlled and experimental wetland beds. According to this study, the wetland with 10% activated charcoal was more effective than the wetland with sand alone, removing an average of total suspended solids (TSS) at 88.44%, chemical oxygen demand (COD) at 86.39%, biochemical oxygen demand (BOD₅) at 89.02%, ammonium (NH₄⁺) at 95.71%, nitrate (NO₃⁻) at 35.75%, and phosphate (PO₄³⁻) at 80.38%. The study shows that the integration of activated charcoal into the CW plant enhances the performances of the wastewater treatment system.

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活性炭提高人工湿地污水处理性能的研究

人工湿地提供了一种可持续的污水处理解决方案，具有成熟、有效的技术。活性炭是通过热解从有机材料中提取的，它提供了简单和低成本的技术来处理水并减少碳足迹。将这两种技术结合起来可以大大提高系统的效率。本研究探讨了砂与活性炭复合对人工湿地的强化作用，以提高对污染物的去除效率。采用砂与活性炭混合制备垂直湿地床，并用芦苇栽培。合成废水通过这些床，达到3天的滞留时间。比较了对照和实验湿地对污染物的去除效果。根据本研究，添加10%活性炭的湿地比单独添加沙子的湿地更有效，平均去除总悬浮物（TSS）为88.44%，化学需氧量（COD）为86.39%，生化需氧量（BOD₅）为89.02%，铵（NH₄⁺）为95.71%，硝酸盐（NO₃⁻）为35.75%，磷酸盐（PO₄³⁻）为80.38%。研究表明，在连续废水处理装置中添加活性炭可以提高污水处理系统的性能。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.